ㄉㄚˇㄊㄧㄢtiānㄒㄧㄚˋxià

  1. 奪取政權唐高祖建國開國元勛打天下。」

  2. 比喻開拓事業離鄉背井隻身北部打天下。」

to seize power, to conquer the world, to establish and expand a business, to carve out a career for oneself